MAGETWO-95853: Can't flush Images cache in admin

Author: Oleksandr Iegorov

lib/internal/Magento/Framework/Filesystem/Directory/Write.php

@@ -9,6 +9,9 @@
 use Magento\Framework\Exception\FileSystemException;
 use Magento\Framework\Exception\ValidatorException;
 
+/**
+ * Write Interface implementation
+ */
 class Write extends Read implements WriteInterface
 {
     /**
@@ -289,7 +292,7 @@ public function touch($path, $modificationTime = null)
     /**
      * Check if given path is writable
      *
-     * @param null $path
+     * @param string|null $path
      * @return bool
      * @throws \Magento\Framework\Exception\FileSystemException
      * @throws ValidatorException

lib/internal/Magento/Framework/Filesystem/Driver/File.php

@@ -14,6 +14,7 @@
 
 /**
  * Class File
+ *
  * @package Magento\Framework\Filesystem\Driver
  * @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
  */
@@ -855,6 +856,8 @@ public function fileUnlock($resource)
     }
 
     /**
+     * Retrieves absolute path
+     *
      * @param string $basePath
      * @param string $path
      * @param string|null $scheme